Zach MinersU.S. Correspondent, IDG News Service

Zach Miners covers social networking, search, and general technology news for the IDG News Service, and is based in San Francisco.

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They're alive! Yahoo Mail users menaced by zombified deleted emails

Some users say messages they've deleted keep reappearing in their inboxes.

PCWorld News

Food delivery startup Sprig to turn driver contractors into employees

The changes come amid larger challenges facing on-demand startups

Reddit bans racist communities, 'quarantines' other offensive talk

The site is also restricting access to some controversial message boards.

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Facebook gives businesses more ways to privately message users

Businesses can now respond to users' comments on Facebook via Facebook Messenger.

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Yahoo tackles large malicious ad campaign in its network

Ads with malicious code may have appeared across Yahoo's sites

PCWorld News

Yahoo picks up fashion commerce site Polyvore

Polyvore's site lets users search for clothing items and create themed collections

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Facebook says Flash security woes could hurt its business

Security vulnerabilities in Flash could affect the use of Facebook games, the company said in a filing.

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Meet Aquila, Facebook's unmanned Internet drone

The aircraft is designed to provide Internet access to people in underserved areas, Facebook said.

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Facebook CEO Zuckerberg: Video today, virtual reality tomorrow

The Facebook CEO seems set on virtual reality as the next medium for sharing content.

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Facebook revenue surges 39 percent but costs also soar

Profit shrunk as costs went up by more than 80 percent.

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Twitter mulling big changes to how you view tweets

The company is considering changes to help it become a truly mass-market service

PCWorld News

Twitter surprises with a sales gain, but user growth lags

Growth in users came largely from people who don't hold actual accounts

PCWorld News

NSA will lose access to 'historical' phone surveillence data Nov. 29

After Nov. 29, data requests must be made on an as-needed basis to the FISA Court

PCWorld News

Facebook opens Internet.org to more mobile operators

A new online portal will make it easier for carriers to adopt the Internet.org app, Facebook says

PCWorld News

Facebook prevails in shareholder lawsuit over IPO

The ruling looks to be the last nail in the coffin for suits filed in 2012